// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import React, { Component, PropTypes } from 'react';
import { observer } from 'mobx-react';

import IdentityIcon from '../IdentityIcon';

import Store from './store';
import styles from './dappVouchFor.css';

@observer
export default class DappVouchFor extends Component {
  static contextTypes = {
    api: PropTypes.object.isRequired
  };

  static propTypes = {
    app: PropTypes.object.isRequired
  };

  store = new Store(this.context.api, this.props.app);

  render () {
    const count = this.store.vouchers.length;

    if (!count) {
      return null;
    }

    return (
      <div className={ styles.tag }>
        <IdentityIcon
          address={ this.store.vouchers[0] }
          className={ styles.image }
          alt={ `${count} identities vouch for this dapp` }
        />
        <div className={ styles.bubble }>
          { count }
        </div>
      </div>
    );
  }
}